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Adaptive CM Array Antenna employing RAKE Receiver in Asynchronous DS-CDMA systems  

김용석 (연세대학교 전기전자공학과 통신시스템 연구실)
서성진 (텔슨전자 중앙연구)
황금찬 (연세대학교 전기전자공학과 통신시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.5C, 2004 , pp. 601-610 More about this Journal
Abstract
In this paper, the performance of an adaptive array antenna using Constant Modulus Algorithm (CMA) based on the signal structure for the IMT-2000 3GPP specification reverse link of an asynchronous direct sequence code division multiple access (DS-CDMA) system are evaluated. In addition, the performance is compared with the array antenna using Least Mean Square (LMS) based on the training signal. The simulation parameters such as the number of multipath, mu10pa1h intensity profiles between path, spreading gain and multiuser etc., are considered in the Monte Carlo simulation. Simulation results demonstrate an adaptive array antenna using CMA may give more capacity gain than the amy antenna using LMS in the case of multipath fading channel.
Keywords
Constant Modulus Algorithm; Least Mean Square; RAKE; DS-CDMA;
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